弯头 DN 65-Sch40S180ELF/S

DN 65-Sch40S 180ELF/S

bl100-16rfrf0

WN600-150 RF S=17.5

PL100(A)-16 RF b=20ef/@bii

wn50-900rf sch160â2.

nb/t47023 bl250-150rf 法

PL400(B)-16 RF b=6 D=57

wn150-300 rf sch3065 bbF3Fhg/=8 S40/

PL 300(B)-16 RF C=28rfh40

hg/t21615 so20-150rf0 s=3.0F=